Rumah >pembangunan bahagian belakang >C++ >Dalam bahasa C, maksud fungsi pthread_cancel() ialah membatalkan thread
. cara menggunakan fungsi ini untuk membatalkan benang.
Contoh
int pthread_cancel(pthread_t th);
Output
#include <stdio.h> #include <unistd.h> #include <sys/types.h> #include <pthread.h> int count = 0; pthread_t sample_thread; void* thread_one_func(void* p) { while (1) { printf("This is thread 1</p><p>"); sleep(1); // wait for 1 seconds count++; if (count == 5) { //if the counter is 5, then request to cancel thread two and exit from current thread pthread_cancel(sample_thread); pthread_exit(NULL); } } } void* thread_two_func(void* p) { sample_thread = pthread_self(); //store the id of thread 2 while (1) { printf("This is thread 2</p><p>"); sleep(2); // wit for 2 seconds } } main() { pthread_t t1, t2; //create two threads pthread_create(&t1, NULL, thread_one_func, NULL); pthread_create(&t2, NULL, thread_two_func, NULL); //wait for completing threads pthread_join(t1, NULL); pthread_join(t2, NULL); }
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